This topic for this month September 2019 cause today is 15 Sept Sunday
This is Australian Public Holyday
Please note, if the 15th day of the month falls on a weekend or an Australian public holiday, then payouts will be processed the following business day.
For More Info:
https://help.author.envato.com/hc/en-us/articles/360000536603-When-will-my-payout-be-processed-
So, Don’t worry Monday will process your payments.
Regards.